[publish] Trigger update workflow on "api" repo after Publish (#9791)

So that we don't need to trigger it manually and/or wait for the cronjob.

utils/trigger-update-workflow.js

@@ -0,0 +1,8 @@
+module.exports = async ({ github, context }) => {
+  await github.rest.actions.createWorkflowDispatch({
+    owner: context.repo.owner,
+    repo: 'api',
+    workflow_id: 'cron-update-build-container.yml',
+    ref: 'main',
+  });
+};